The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-006-0947, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Allen Aircraft Products Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-01-006-0947 |
| Primary Part Number | 4R145-1 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Allen Aircraft Products Inc |
| Status | CANCELLED |
| Thread Series | UNS ALL CONNECTIONS |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| Material Document and Classification | AMS 5643, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 0.250 INCHES IN |
| Strainer Type and Quantity | 2 SCREEN |
| Surface Treatment | PASSIVATE BODY |
| Material | STEEL CORROSION RESISTING SCREENING |
| Width Across Flats | 0.922 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND ALL CONNECTIONS |
| End Connection Type | THREADED MALE, BULKHEAD ALL CONNECTIONS |
| Material | STEEL COMP 630 BODY |
| Operating Temp Range | +20.0 TO 100.0 FAHRENHEIT DEGF |
| Design Type | STRAIGHT |
| End Connection Similarity | IDENTICAL |
| Thread Size Designator | 7/16-27 ALL CONNECTIONS |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Thread Class | 2A ALL CONNECTIONS A |
| Orifice Diameter | 0.172 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4R145-1 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| 4R145-1 PRIMARY | Allen Aircraft Products Inc (USA) |
| 7M846-1 | The Boeing Company Div Defense (USA) |
| 5620-2 | The Boeing Company Div Defense (USA) |
| 5620-2-109 | The Boeing Company Div Defense (USA) |
NSN 4730-01-006-0947 is a Restrictor Unit,fluid Flow, manufactured by Allen Aircraft Products Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-01-006-0947 has 5 cross-referenced part numbers: 4R145-1 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), 4R145-1 (Allen Aircraft Products Inc), 7M846-1 (The Boeing Company Div Defense), 5620-2 (The Boeing Company Div Defense), 5620-2-109 (The Boeing Company Div Defense).
There are 6 known substitutes for 4730-01-006-0947: 5935-00-240-3340, 5920-00-897-4857, 4730-01-009-6329 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4R145-1: Thread Series: UNS ALL CONNECTIONS; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BODY; Material Document and Classification: AMS 5643, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE BODY; Valve Size: 0.250 INCHES IN. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-01-006-0947 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.